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Diffstat (limited to 'contrib/perl5/t/pragma/warn/toke')
-rw-r--r-- | contrib/perl5/t/pragma/warn/toke | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/contrib/perl5/t/pragma/warn/toke b/contrib/perl5/t/pragma/warn/toke new file mode 100644 index 0000000..cfdea78 --- /dev/null +++ b/contrib/perl5/t/pragma/warn/toke @@ -0,0 +1,583 @@ +toke.c AOK + + we seem to have lost a few ambiguous warnings!! + + + 1 if $a EQ $b ; + 1 if $a NE $b ; + 1 if $a LT $b ; + 1 if $a GT $b ; + 1 if $a GE $b ; + 1 if $a LE $b ; + $a = <<; + Use of comma-less variable list is deprecated + (called 3 times via depcom) + + \1 better written as $1 + use warnings 'syntax' ; + s/(abc)/\1/; + + warn(warn_nosemi) + Semicolon seems to be missing + $a = 1 + &time ; + + + Reversed %c= operator + my $a =+ 2 ; + $a =- 2 ; + $a =* 2 ; + $a =% 2 ; + $a =& 2 ; + $a =. 2 ; + $a =^ 2 ; + $a =| 2 ; + $a =< 2 ; + $a =/ 2 ; + + Multidimensional syntax %.*s not supported + my $a = $a[1,2] ; + + You need to quote \"%s\"" + sub fred {} ; $SIG{TERM} = fred; + + Scalar value %.*s better written as $%.*s" + @a[3] = 2; + @a{3} = 2; + + Can't use \\%c to mean $%c in expression + $_ = "ab" ; s/(ab)/\1/e; + + Unquoted string "abc" may clash with future reserved word at - line 3. + warn(warn_reserved + $a = abc; + + chmod() mode argument is missing initial 0 + chmod 3; + + Possible attempt to separate words with commas + @a = qw(a, b, c) ; + + Possible attempt to put comments in qw() list + @a = qw(a b # c) ; + + umask: argument is missing initial 0 + umask 3; + + %s (...) interpreted as function + print ("") + printf ("") + sort ("") + + Ambiguous use of %c{%s%s} resolved to %c%s%s + $a = ${time[2]} + $a = ${time{2}} + + + Ambiguous use of %c{%s} resolved to %c%s + $a = ${time} + sub fred {} $a = ${fred} + + Misplaced _ in number + $a = 1_2; + $a = 1_2345_6; + + Bareword \"%s\" refers to nonexistent package + $a = FRED:: ; + + Ambiguous call resolved as CORE::%s(), qualify as such or use & + sub time {} + my $a = time() + + Unrecognized escape \\%c passed through + $a = "\m" ; + + %s number > %s non-portable + my $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b111111111111111111111111111111111 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x1ffffffff ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 0047777777777 ; + + Integer overflow in binary number + my $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b111111111111111111111111111111111 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x1ffffffff ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 0047777777777 ; + + Mandatory Warnings + ------------------ + Use of "%s" without parentheses is ambiguous [check_uni] + rand + 4 + + Ambiguous use of -%s resolved as -&%s() [yylex] + sub fred {} ; - fred ; + + Precedence problem: open %.*s should be open(%.*s) [yylex] + open FOO || die; + + Operator or semicolon missing before %c%s [yylex] + Ambiguous use of %c resolved as operator %c + *foo *foo + +__END__ +# toke.c +use warnings 'deprecated' ; +1 if $a EQ $b ; +1 if $a NE $b ; +1 if $a GT $b ; +1 if $a LT $b ; +1 if $a GE $b ; +1 if $a LE $b ; +no warnings 'deprecated' ; +1 if $a EQ $b ; +1 if $a NE $b ; +1 if $a GT $b ; +1 if $a LT $b ; +1 if $a GE $b ; +1 if $a LE $b ; +EXPECT +Use of EQ is deprecated at - line 3. +Use of NE is deprecated at - line 4. +Use of GT is deprecated at - line 5. +Use of LT is deprecated at - line 6. +Use of GE is deprecated at - line 7. +Use of LE is deprecated at - line 8. +######## +# toke.c +use warnings 'deprecated' ; +format STDOUT = +@<<< @||| @>>> @>>> +$a $b "abc" 'def' +. +no warnings 'deprecated' ; +format STDOUT = +@<<< @||| @>>> @>>> +$a $b "abc" 'def' +. +EXPECT +Use of comma-less variable list is deprecated at - line 5. +Use of comma-less variable list is deprecated at - line 5. +Use of comma-less variable list is deprecated at - line 5. +######## +# toke.c +use warnings 'deprecated' ; +$a = <<; + +no warnings 'deprecated' ; +$a = <<; + +EXPECT +Use of bare << to mean <<"" is deprecated at - line 3. +######## +# toke.c +use warnings 'syntax' ; +s/(abc)/\1/; +no warnings 'syntax' ; +s/(abc)/\1/; +EXPECT +\1 better written as $1 at - line 3. +######## +# toke.c +use warnings 'semicolon' ; +$a = 1 +&time ; +no warnings 'semicolon' ; +$a = 1 +&time ; +EXPECT +Semicolon seems to be missing at - line 3. +######## +# toke.c +BEGIN { + # Scalars leaked: due to syntax errors + $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; +} +use warnings 'syntax' ; +my $a =+ 2 ; +$a =- 2 ; +$a =* 2 ; +$a =% 2 ; +$a =& 2 ; +$a =. 2 ; +$a =^ 2 ; +$a =| 2 ; +$a =< 2 ; +$a =/ 2 ; +EXPECT +Reversed += operator at - line 7. +Reversed -= operator at - line 8. +Reversed *= operator at - line 9. +Reversed %= operator at - line 10. +Reversed &= operator at - line 11. +Reversed .= operator at - line 12. +syntax error at - line 12, near "=." +Reversed ^= operator at - line 13. +syntax error at - line 13, near "=^" +Reversed |= operator at - line 14. +syntax error at - line 14, near "=|" +Reversed <= operator at - line 15. +Unterminated <> operator at - line 15. +######## +# toke.c +BEGIN { + # Scalars leaked: due to syntax errors + $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; +} +no warnings 'syntax' ; +my $a =+ 2 ; +$a =- 2 ; +$a =* 2 ; +$a =% 2 ; +$a =& 2 ; +$a =. 2 ; +$a =^ 2 ; +$a =| 2 ; +$a =< 2 ; +$a =/ 2 ; +EXPECT +syntax error at - line 12, near "=." +syntax error at - line 13, near "=^" +syntax error at - line 14, near "=|" +Unterminated <> operator at - line 15. +######## +# toke.c +use warnings 'syntax' ; +my $a = $a[1,2] ; +no warnings 'syntax' ; +my $a = $a[1,2] ; +EXPECT +Multidimensional syntax $a[1,2] not supported at - line 3. +######## +# toke.c +use warnings 'syntax' ; +sub fred {} ; $SIG{TERM} = fred; +no warnings 'syntax' ; +$SIG{TERM} = fred; +EXPECT +You need to quote "fred" at - line 3. +######## +# toke.c +use warnings 'syntax' ; +@a[3] = 2; +@a{3} = 2; +no warnings 'syntax' ; +@a[3] = 2; +@a{3} = 2; +EXPECT +Scalar value @a[3] better written as $a[3] at - line 3. +Scalar value @a{3} better written as $a{3} at - line 4. +######## +# toke.c +use warnings 'syntax' ; +$_ = "ab" ; +s/(ab)/\1/e; +no warnings 'syntax' ; +$_ = "ab" ; +s/(ab)/\1/e; +EXPECT +Can't use \1 to mean $1 in expression at - line 4. +######## +# toke.c +use warnings 'reserved' ; +$a = abc; +no warnings 'reserved' ; +$a = abc; +EXPECT +Unquoted string "abc" may clash with future reserved word at - line 3. +######## +# toke.c +use warnings 'chmod' ; +chmod 3; +no warnings 'chmod' ; +chmod 3; +EXPECT +chmod() mode argument is missing initial 0 at - line 3. +######## +# toke.c +use warnings 'qw' ; +@a = qw(a, b, c) ; +no warnings 'qw' ; +@a = qw(a, b, c) ; +EXPECT +Possible attempt to separate words with commas at - line 3. +######## +# toke.c +use warnings 'qw' ; +@a = qw(a b #) ; +no warnings 'qw' ; +@a = qw(a b #) ; +EXPECT +Possible attempt to put comments in qw() list at - line 3. +######## +# toke.c +use warnings 'umask' ; +umask 3; +no warnings 'umask' ; +umask 3; +EXPECT +umask: argument is missing initial 0 at - line 3. +######## +# toke.c +use warnings 'syntax' ; +print ("") +EXPECT +print (...) interpreted as function at - line 3. +######## +# toke.c +no warnings 'syntax' ; +print ("") +EXPECT + +######## +# toke.c +use warnings 'syntax' ; +printf ("") +EXPECT +printf (...) interpreted as function at - line 3. +######## +# toke.c +no warnings 'syntax' ; +printf ("") +EXPECT + +######## +# toke.c +use warnings 'syntax' ; +sort ("") +EXPECT +sort (...) interpreted as function at - line 3. +######## +# toke.c +no warnings 'syntax' ; +sort ("") +EXPECT + +######## +# toke.c +use warnings 'ambiguous' ; +$a = ${time[2]}; +no warnings 'ambiguous' ; +$a = ${time[2]}; +EXPECT +Ambiguous use of ${time[...]} resolved to $time[...] at - line 3. +######## +# toke.c +use warnings 'ambiguous' ; +$a = ${time{2}}; +EXPECT +Ambiguous use of ${time{...}} resolved to $time{...} at - line 3. +######## +# toke.c +no warnings 'ambiguous' ; +$a = ${time{2}}; +EXPECT + +######## +# toke.c +use warnings 'ambiguous' ; +$a = ${time} ; +no warnings 'ambiguous' ; +$a = ${time} ; +EXPECT +Ambiguous use of ${time} resolved to $time at - line 3. +######## +# toke.c +use warnings 'ambiguous' ; +sub fred {} +$a = ${fred} ; +no warnings 'ambiguous' ; +$a = ${fred} ; +EXPECT +Ambiguous use of ${fred} resolved to $fred at - line 4. +######## +# toke.c +use warnings 'syntax' ; +$a = 1_2; +$a = 1_2345_6; +no warnings 'syntax' ; +$a = 1_2; +$a = 1_2345_6; +EXPECT +Misplaced _ in number at - line 3. +Misplaced _ in number at - line 4. +Misplaced _ in number at - line 4. +######## +# toke.c +use warnings 'bareword' ; +#line 25 "bar" +$a = FRED:: ; +no warnings 'bareword' ; +#line 25 "bar" +$a = FRED:: ; +EXPECT +Bareword "FRED::" refers to nonexistent package at bar line 25. +######## +# toke.c +use warnings 'ambiguous' ; +sub time {} +my $a = time() ; +no warnings 'ambiguous' ; +my $b = time() ; +EXPECT +Ambiguous call resolved as CORE::time(), qualify as such or use & at - line 4. +######## +# toke.c +use warnings ; +eval <<'EOE'; +{ +#line 30 "foo" + $_ = " \x{123} " ; +} +EOE +EXPECT + +######## +# toke.c +my $a = rand + 4 ; +EXPECT +Warning: Use of "rand" without parens is ambiguous at - line 2. +######## +# toke.c +$^W = 0 ; +my $a = rand + 4 ; +{ + no warnings 'ambiguous' ; + $a = rand + 4 ; + use warnings 'ambiguous' ; + $a = rand + 4 ; +} +$a = rand + 4 ; +EXPECT +Warning: Use of "rand" without parens is ambiguous at - line 3. +Warning: Use of "rand" without parens is ambiguous at - line 8. +Warning: Use of "rand" without parens is ambiguous at - line 10. +######## +# toke.c +sub fred {}; +-fred ; +EXPECT +Ambiguous use of -fred resolved as -&fred() at - line 3. +######## +# toke.c +$^W = 0 ; +sub fred {} ; +-fred ; +{ + no warnings 'ambiguous' ; + -fred ; + use warnings 'ambiguous' ; + -fred ; +} +-fred ; +EXPECT +Ambiguous use of -fred resolved as -&fred() at - line 4. +Ambiguous use of -fred resolved as -&fred() at - line 9. +Ambiguous use of -fred resolved as -&fred() at - line 11. +######## +# toke.c +open FOO || time; +EXPECT +Precedence problem: open FOO should be open(FOO) at - line 2. +######## +# toke.c +$^W = 0 ; +open FOO || time; +{ + no warnings 'precedence' ; + open FOO || time; + use warnings 'precedence' ; + open FOO || time; +} +open FOO || time; +EXPECT +Precedence problem: open FOO should be open(FOO) at - line 3. +Precedence problem: open FOO should be open(FOO) at - line 8. +Precedence problem: open FOO should be open(FOO) at - line 10. +######## +# toke.c +$^W = 0 ; +*foo *foo ; +{ + no warnings 'ambiguous' ; + *foo *foo ; + use warnings 'ambiguous' ; + *foo *foo ; +} +*foo *foo ; +EXPECT +Operator or semicolon missing before *foo at - line 3. +Ambiguous use of * resolved as operator * at - line 3. +Operator or semicolon missing before *foo at - line 8. +Ambiguous use of * resolved as operator * at - line 8. +Operator or semicolon missing before *foo at - line 10. +Ambiguous use of * resolved as operator * at - line 10. +######## +# toke.c +use warnings 'misc' ; +my $a = "\m" ; +no warnings 'misc' ; +$a = "\m" ; +EXPECT +Unrecognized escape \m passed through at - line 3. +######## +# toke.c +use warnings 'portable' ; +my $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b111111111111111111111111111111111 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x1ffffffff ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 0047777777777 ; +no warnings 'portable' ; + $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b111111111111111111111111111111111 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x1ffffffff ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 0047777777777 ; +EXPECT +Binary number > 0b11111111111111111111111111111111 non-portable at - line 5. +Hexadecimal number > 0xffffffff non-portable at - line 8. +Octal number > 037777777777 non-portable at - line 11. +######## +# toke.c +use warnings 'overflow' ; +my $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b10000000000000000000000000000000000000000000000000000000000000000 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x10000000000000000 ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 002000000000000000000000; +no warnings 'overflow' ; + $a = 0b011111111111111111111111111111110 ; + $a = 0b011111111111111111111111111111111 ; + $a = 0b10000000000000000000000000000000000000000000000000000000000000000 ; + $a = 0x0fffffffe ; + $a = 0x0ffffffff ; + $a = 0x10000000000000000 ; + $a = 0037777777776 ; + $a = 0037777777777 ; + $a = 002000000000000000000000; +EXPECT +Integer overflow in binary number at - line 5. +Integer overflow in hexadecimal number at - line 8. +Integer overflow in octal number at - line 11. |